Finding the Fourth Proportional to 996,904.70, 1,495,357.05 and 491,707.70
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Solution
The fourth proportional to 996,904.70, 1,495,357.05 and 491,707.70 is: 737,561.55
Step by Step Solution
- Step 1: Write the proportion equation
996,904.70 : 1,495,357.05 = 491,707.70 : x - Step 2: Convert to fraction form
996,904.70/1,495,357.05 = 491,707.70/x - Step 3: Cross multiply
996,904.70x = 1,495,357.05 × 491,707.70 - Step 4: Simplify right side
996,904.70x = 735,278,575,734.29 - Step 5: Solve for x
x = 735,278,575,734.29/996,904.70 - Step 6: Final answer
x = 737,561.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.